12. Aspartate Amino Transferas (AST) (Serum glutamic oxaloacetic transaminase (SGOT)) / Alanine Amino Transferase (ALT) (Serum glutamic pyruvic transaminase (SGPT )) equal, or less than, 2.5 x upper limit of normal (in case of known liver metastases AST and/or ALT, equal, or less than, 5 x upper limit of normal).